bids are invited for single photon detector single photon detector 6 nos , balanced photodetector 2 nos , achromatic zero order half wave plate for 350 to 850 nm 6 nos , achromatic zero order quarter wave plate for 350 to 850 nm 6 nos , cage mounted non polarizing cube beam splitter for 400 to 700 nm 4 nos , cage mounted polarizing cube beam splitter for 400 to 700 nm 4 nos , cage mounted non polarizing cube beam splitter for 700 to 1100 nm 4 nos , cage mounted polarizing cube beam splitter for 620 to 1000 nm 4 nos , broadband dielectric mirror of 1 dia for 400 to 750 nm 20 nos , broadband dielectric mirror of 1 dia for 750 to 1100 nm 20 nos , broadband dielectric mirror of 1 dia for 1280 to 1600 nm 10 nos , mounted round variable neutral density filter of dia 2 2 nos , liquid crystal based achromatic depolarizer 2 nos , quartz wedge based achromatic depolarizer 2nos , mounted nano particle film polarizer of point 5 dia for 500 to 1500 nm 5nos , laser viewing card fof ir region 3 nos , beam expander with variable magnification 2 nos , kinematic mount of dia 2 for mounting beam expanders 2 nos , set of spiral phase plate meant for 405 nm 514 nm and 633 nm 1 nos , set of optical posts of dia point 5 of different lengths 1 nos , set of optical post holders of different lengths meant for holding point 5 dia posts 1 nos , magnetic base adapters for post holders 25 nos , clamping fork for post holders 25 nos , six axis kinematic optic mount 6 nos , six axis kinematic optic mount 15 nos , precision xy translation mounts for 1 optics 15 nos total quantity : 193